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Description of ASTM-F2139 2001ASTM F2139-01Withdrawn Standard: Standard Test Method for Measuring Nitrogen Concentration in Silicon Substrates by Secondary Ion Mass Spectrometry (Withdrawn 2003)ASTM F2139Scope This standard was transferred to SEMI (www.semi.org) May 2003 1.1 This test method covers the determination of total nitrogen concentration in the bulk of single crystal substrates using secondary ion mass spectrometry (SIMS) (1,2). 1.2 This test method can be used for silicon in which the dopant concentrations are less than 0.2 % (1 x 1020 atoms/cm3) for boron, antimony, arsenic, and phosphorus. 1.3 This test method is for bulk analysis where the nitrogen concentration is constant with depth. 1.4 This test method can be used for silicon in which the nitrogen content is 1 x 1014 atoms/cm3 or greater. The detection capability depends upon the SIMS instrumental nitrogen background and the precision of the measurement. 1.5 This test method is complementary to infrared spectroscopy, electron paramagnetic resonance, deep level transient spectroscopy, and charged particle activation analysis (3). The infrared spectroscopy method detects nitrogen in specific vibrational states, rather than total nitrogen, and is limited to silicon with doping concentrations less than about 1 x 1017 atoms/cm3. The charged particle activation analysis detection capability is limited by an interference from boron. 1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Keywords nitrogen concentration; secondary ion mass spectrometry; silicon; SIMS ICS Code ICS Number Code 71.040.50 (Physicochemical methods of analysis) DOI: 10.1520/F2139-01 This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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